Move Threading.[h|cpp] from Support to System.

llvm-svn: 73707

1 files changed, 0 insertions, 63 deletions

diff --git a/llvm/lib/Support/Threading.cpp b/llvm/lib/Support/Threading.cpp
deleted file mode 100644
index 15a4b915d13..00000000000
--- a/llvm/lib/Support/Threading.cpp
+++ /dev/null
@@ -1,63 +0,0 @@
-//===-- llvm/Support/Threading.cpp- Control multithreading mode --*- C++ -*-==//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements llvm_start_multithreaded() and friends.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Support/Threading.h"
-#include "llvm/System/Atomic.h"
-#include "llvm/System/Mutex.h"
-#include <cassert>
-
-using namespace llvm;
-
-static bool multithreaded_mode = false;
-
-static sys::Mutex* global_lock = 0;
-
-bool llvm::llvm_start_multithreaded() {
-#ifdef LLVM_MULTITHREADED
-  assert(!multithreaded_mode && "Already multithreaded!");
-  multithreaded_mode = true;
-  global_lock = new sys::Mutex(true);
-  
-  // We fence here to ensure that all initialization is complete BEFORE we
-  // return from llvm_start_multithreaded().
-  sys::MemoryFence();
-  return true;
-#else
-  return false;
-#endif
-}
-
-void llvm::llvm_stop_multithreaded() {
-#ifdef LLVM_MULTITHREADED
-  assert(multithreaded_mode && "Not currently multithreaded!");
-  
-  // We fence here to insure that all threaded operations are complete BEFORE we
-  // return from llvm_stop_multithreaded().
-  sys::MemoryFence();
-  
-  multithreaded_mode = false;
-  delete global_lock;
-#endif
-}
-
-bool llvm::llvm_is_multithreaded() {
-  return multithreaded_mode;
-}
-
-void llvm::llvm_acquire_global_lock() {
-  if (multithreaded_mode) global_lock->acquire();
-}
-
-void llvm::llvm_release_global_lock() {
-  if (multithreaded_mode) global_lock->release();
-}